Impulsive electron acceleration by Gravitational Waves

Details Impulsive electron acceleration by Gravitational Waves Impulsive electron acceleration by Gravitational Waves

2003-12-05

arxiv.org/abs/astro-ph/0312151v1

Astrophys.J. 604 (2004) 297-305

Astronomy and Astrophysics

Astrophysics

13 pages, 8 figures, accepted to The Astrophysical Journal

Scientific paper

10.1086/381797

We investigate the non-linear interaction of a strong Gravitational Wave with the plasma during the collapse of a massive magnetized star to form a black hole, or during the merging of neutron star binaries (central engine). We found that under certain conditions this coupling may result in an efficient energy space diffusion of particles. We suggest that the atmosphere created around the central engine is filled with 3-D magnetic neutral sheets (magnetic nulls). We demonstrate that the passage of strong pulses of Gravitational Waves through the magnetic neutral sheets accelerates electrons to very high energies. Superposition of many such short lived accelerators, embedded inside a turbulent plasma, may be the source for the observed impulsive short lived bursts. We conclude that in several astrophysical events, gravitational pulses may accelerate the tail of the ambient plasma to very high energies and become the driver for many types of astrophysical bursts.

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